belongs with at the end of list cause javascript error - nodeValue.length is null pgteam "Below steps can reproduce the error.
1. Paste the following content
{{{

11111111111

22222222222

3333333333333

abcdefg

}}}
2. put the cursor position at the last line, e.g. cursor between d and e
3. press left arrow key to walk through several lines from last line to the unordered list.
4. javascript error occurs once the cursor position hit the unordered list content.
ps: the pattern unordered list +